I agree as someone who was previously excited about the idea. Although to be honest, I think people overstate the changes. They did not last. Lots of salesmen in this industry like any other.
Reprogramming? Not at all, at least not with intense mushroom experience alone and laying with closed eyes, never did ayahuasca. But understanding way way more about myself, overall brain structure, and ie where religions come from? And by far the most intense and out-of-reality/body/senses experience I could ever go through?
Definitely, those few experiences will be with me till my last breath.
You can't pop a trip, go to a music festival and except a new mindset. You can however use these tools to deeply connect with yourself and this is where life altering experiences happen.
Definitely, those few experiences will be with me till my last breath.